out of step

out of step  {adv.} or  {adj. phr.}

1. Not in step; not matching strides or keeping pace with another or others.

George always marches out of step with the music.

2. Out of harmony; not keeping up. — Often followed by "with".

Just because you don't smoke, it doesn't mean you are out of step with other boys and girls your age.

Contrast: IN STEP.